Package included:
1 x Sonoff Smart Switch(SIM card is not include).

Specification:
Material: ABS.
Size: 114mmx51mmx32mm./4.49inchesx2.01inchesx1.26inches
Input Voltage: AC 90-250V 50 / 60Hz.
Output Voltage: AC 90-250V 50 / 60Hz.
Rated Current: 16A (A).
Maximum Load: 220V 3000W.
GSM/GPRS: 800/900/1800/1900MHz.

Features:
1.Remote turn on/off through the APP EweLink.
2.Also share with others so that they can control together.
3.Simply insert a SIM card (GSM/GPRS) into G1. Download eWelink App from App store.
4.Easy installation and operation, quick WiFi access, remote control through APP EweLink.
5.Can set single/repeat/countdown timing schedules to turn on/off at a specified time.
6.Available on both iOS and Android, customers can independently turn on/off each of the two connected devices.